Home / 778,991.90-1,168,370.88-246,443.72

Finding the Fourth Proportional to 778,991.90, 1,168,370.88 and 246,443.72

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Solution

The fourth proportional to 778,991.90, 1,168,370.88 and 246,443.72 is: 369,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,991.90 : 1,168,370.88 = 246,443.72 : x
  2. Step 2: Convert to fraction form
    778,991.90/1,168,370.88 = 246,443.72/x
  3. Step 3: Cross multiply
    778,991.90x = 1,168,370.88 × 246,443.72
  4. Step 4: Simplify right side
    778,991.90x = 287,937,666,006.87
  5. Step 5: Solve for x
    x = 287,937,666,006.87/778,991.90
  6. Step 6: Final answer
    x = 369,628.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.